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Reachable Assertion Affecting krb5 package, versions <1.12+dfsg-2ubuntu5.4

Severity

 Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.33% (71st percentile)

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  • Snyk IDSNYK-UBUNTU1404-KRB5-395829
  • published9 Aug 2017
  • disclosed9 Aug 2017
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Introduced: 9 Aug 2017

CVE-2017-11368  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 krb5 to version 1.12+dfsg-2ubuntu5.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5 package and not the krb5 package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

References